Isolated Anterior Dislocation of the Radial Head with Atypical Presentation in an Adult: A Case Report / Luxação anterior isolada da cabeça radial com apresentação atípica em um adulto: Relato de caso

Abstract Isolated anterior dislocation of the radial head is rarely reported. To date, only five cases have been reported in the world literature. In all of these cases, the patients presented with restricted supination-pronation movements of the forearm with maintained elbow flexion-extension. We report an unusual case of isolated anterior radial head dislocation in an 18-year-old male, who presented with maintained supination-pronation movements of the forearm but restricted elbow flexion-extension. Closed reduction was attempted, but it failed. Hence, an open reduction was performed. However, the reduction was unstable due to rupture of the annular ligament. Hence, the repair of the annular ligament was performed, and a radio-ulnar Kirschner wire was passed to maintain the reduction of the proximal radio-ulnar joint, thus keeping the annular ligament stress-free, facilitating its healing. At 12 months of follow-up, the patient had normal elbow function and complete range of motion.

Resumo A literatura sobre a luxação anterior isolada da cabeça do rádio é escassa, com apenas cinco casos relatados no mundo inteiro até hoje. Em todos esses casos, os pacientes apresentaram movimentos de supinação-pronação restritos do antebraço, e manutenção da flexão-extensão do cotovelo. Os autores apresentam um caso incomum de luxação de cabeça radial anterior isolada em um paciente do sexo masculino de 18 anos, que apresentou movimentos de supinação-pronação no antebraço e restrição na flexão-extensão do cotovelo. A redução fechada foi tentada, mas sem sucesso. Assim, foi feita a redução aberta. No entanto, a redução foi instável devido à ruptura do ligamento anular. Por isso, o reparo do ligamento anular foi realizado, e um fio de Kirschner rádio-ulnar foi inserido para manter a redução da articulação rádio-ulnar proximal, evitando estresse sobre o ligamento anular, facilitando sua cicatrização. Aos 12 meses de acompanhamento, o paciente apresentava função normal do cotovelo e amplitude de movimento completa.

Migrated K Wire Into Popliteal Fossa From Tension Band Wiring Of Patella: A Case Report

Despite being extensively used, k wires have their own set of complications, with loosening and eakage of these wires being the most significant one of them. We report a case of patella fracture treated with tension band wiring (TBW). After achieving fracture union, patient was lost to follow up. He reported four years later with a oken k–wire which had migrated posteriorly into the popliteal fossa and had to be removed as it was causing symptoms to the patient. We recommend following certain steps to prevent the occurrence of such a complication: following AO principles of fracture fixation, encouraging hardware removal after union of fracture wherever possible, close clinical and radiological follow up to detect the movement, eakage and migration of wires at the earliest and removal of migrated wires on priority basis, irrespective of patient being symptomatic or asymptomatic.